Public restrooms become ground zero in the opioid epidemic

A public restroom on the platform of the Central Square MBTA station in Cambridge, Massachusetts, which people have used as a place for getting high. (Photo by Jesse Costa/WBUR)
A man named Eddie threads through the mid-afternoon crowd in Cambridge, Massachusetts. He’s headed for a sandwich shop, the first stop on a tour of public bathrooms.
“I know all the bathrooms that I can and can’t get high in,” says Eddie, 39, pausing in front of the shop’s plate glass window